Excavating-machine.



No. 637,993. Patentad Nov. 28, |899.

' J. F. KAZMIR.

EXGAVATING MACHINE.

(Application led Mar. 18, 1899.)

4 Sheets-Sheet l.

(No Modal.)

No. 637,993. Patented Nov. 28,V |899.

. J. F. KAZMIR.

EXCAVATING MASHINE.

(Appuation med nu. 1a, 1899.)

(No Modal.)

4 Sheets-Sheet 2.

No. 637,993. Patented Nov. 29, |999.

. J. r. KAzMm.

EXCAVATING MACHINE.

(Applicration tiled Mar. 18, 1899.)

4 Sheets-Sheet 3.

(No Modal.)

Patented Nov. l2:8, |899;

'.1.V F."KAzMm. EXCAVATING MACHINE.

(Application led, Mar. 18, 1899.)

4 Sheets-Sheet 4.

(No Model.)

m: NoRms Finns cn. wcm-uma. wAsHmamN, o, c.

NrTnn STATES PATENT muon.

JOSEPH F. KAZMIR, OF DENT, OKLAHOMA TERRITORY.

EXCAVATlNVG-MACH IN E.

SPECIFICATION forming part of Lettere Patent No. 637,993, dated November 2s, 1899. Application filed March 13, 1899. Serial No. 7081951. (No model.)

an eiiicient and compact apparatus of this character constructed to form ditches with rapidity and neatness and with the expenditurei of a minimum amount of horse and manual labor, and the machine is adapted to thoroughly loosen the dirt and to dispose of the same at a point outside of or beyond the ditch, the point of deliverance being regulable, and Without spilling the dirt at places intermediate the point at which it is taken and the point at which it is discharged, and the machine also includes devices for raising and lowering the ditching and conveying mechanism and for also stopping and starting the conveying mechanism, these devices being conveniently located within easy reach of the machine operator.

With these ends in View the invention consists in the novel combination of elements and in the construction and arrangement of parts, which will be hereinafter fully described and claimed.

To enable others to understand the invention, I have illustrated the preferred embodiment thereof in the accompanying drawings, forming a part of this speciiication, and in which- Figure l is a top plan View of a ditchingmachine constructed in accordance with my invention. Fig. 2 is a longitudinal section of the same, the section being taken in the line 2 2, Fig. l, and looking in the direction of the arrow. Fig. 3 is a similar view, the section being taken on the line'3 3, Fig. l, and looking in the direction of the arrow. Fig. 4 is a transverse section, the section being taken on the line 4e 4 and looking in the direction of the arrow. Fig. 5 is a sectional detail of the rear shaft or axle and the means suspended thereby for driving the conveyers and for also stopping and starting the same. Fig. 6 is a sectional front elevation of the hoisting mechanism. Fig. 7 is a face view of a portion of one of the rear wheels and the pawl-and-ratc'het mechanism operating in connection therewith. Fig. 8 is a central detail sectional view taken at the outer end of the elevator and showing the manner of mounting the disparts of the machine may be of any suitable construction, and it is represented including in its construction the longitudinal beams 2 and 3, laterally braced at suitable intervals by the cross-bars el, 5, G, and 7. The side beams 2 and 3 are provided near their rear ends with brackets or hangers 8 and 9, respectively, suitably secured to the outer faces of said beams and constituting bearings for the transverse shaft l0, constituting the main or driving shaft. This driving-shaft constitutes the rear axle of the machine, and its ends are extended beyond the two -side beams and receive the main or traction wheels l2 and 13, respectively, which are loose on said shaft. When the machine is driven forward, the traction-wheels l2 and i3 serve, through proper instrumentalities, as the primary driving agents from which the operating parts of the machine receive their motion, and by making them loose on their supporting-shaft the machine can be backed or moved rear-l ward Without actuating said operating parts, the latter including an elevating or conveying apparatus, as will hereinafter appear. The shaft has secured thereto near its extremities ratchet-wheels 14 and l5,xed thereto and with which the pawls I6 and 17 coperate, each wheel carrying a pair of pawls which are pivoted thereto and which are held in working engagement with the teeth of the ratchets by springs 1S and 19, so that when the machine is driven forward the two traction-wheels will serve to rotate the shaft 10 through the intermediate pawl-and-ratchet mechanism, but when the machine is moved rearward the pawls will run idly over the teeth of the cooperatingratchet-wheels. The main shaft 10 carries a clutch, hereinafter fully de- IOO y ters.

scribed, by which the ditching and elevating mechanisms can be connected to said shaft for the purpose of actuating said mechanisms.

A pair of bowed or arch-shaped bars are provided at the front end of the machine, the respective bars being denoted by 20 and 21 and being secured at one end to the beams 2 and 3, respectively, and the opposite ends of said bars being secured to the bolster 22. The latter has an opening in its middle to receive the king-bolt 23, the latter also passing through the registering openings in the fifthwheel 24, which is secured in some suitable manner to the front axle 25. Said front axle carries the wheels 26 at its opposite ends and is connected by the hounds 27 to the pole 28. The diagonal braces 29 are also secured to the tongue or pole and also to the axle. While I prefer to use horse-power as a means for propelling the machine, it is evident that it may be advanced by other mot-ive agents. A foot board is shown at 30, secured in some convenient manner to the arched bars 2l and 22 and serving both as a rest for the drivers feet and also as a brace, and to a point to rear of the same the transverse brace 3l is located, the latter constituting a suitable base for the drivers seat 32. To the under side of the drivers seat the longitudinal and substantially S-shaped spring 33 is secured, the opposite end of said spring being attached to the upper side of the brace 3l. To the upper side of the beams 2 and 3 the uprights or risers 34 and 35 are secured, these parts having journal-openings near their front and rear ends, respectively, to receive the rock-shafts 36 and 37. The front rock-shaft 36 is provided at points near the uprights with rock-arms 38 and 39, which have openings to receive the shaft or bar 40, said shaft also extending through openings in the upper ends of a series of alined and substantially straight longitudinal colters which are adapted to dig into the earth for the purpose of loosening the same. The working en ds of th ese colters may be pointed or may have separate plow-points, as 4l, and each of them is braced by rods or arms, as 42, pivoted to the colters at points intermediate their ends, and the rear ends of said rods having alined openings to receive the horizontal shaft 43, sustained by thev inverted-V-shaped supports or bearings 44, secured to the upper sides of the beams 2 and 3, vat the front end thereof. By rocking the shaft 36 in one direction the rock-arms 38 will be correspondingly moved, thereby elevating or lowering the cross or colter shaft 39, as the case may be, so as to lift or depress the col- The horizontal colter-shaft 40 also supports the connecting-rods 45, the lower ends of said connectingrods being pivoted to the upturned ends 46 of the transverse strap 47, secured to the under side of the ditcher or ditching-scoop 48, and the upturned ends being lccated outside of the side walls of said ditcher. To the rear of the ditcher and to the sidewalls thereof rods 49 are pivoted, the

upper ends of said rods being suspended from the stirrups 51, located in proximity to the inner faces of the beams 2 and 3. The said rods 49 are also provided intermediate their ends with suitable bearings for the reception of a shaft 50, hereinafter referred to. The rear rods 49 just referred to are projected upward beyond the shaft 50 and receive the stub-shafts 52, extending through the vertical ears 53 upon the upper sides of the two stirrups, and also passing through openings in the rock-arms 54, secured to the rock-shaft 37, sustained by the uprights or risers 34 and 35. The two shafts 36 and 37 are connected to the arms 56, extending oppositely therefrom and which are longitudinally slotted at their adjacent ends, as at 57, to receive the cross-bar 58, which passes through alined openings in the coupling member or frame 59, secured to the lower end of the feedscrew 60. The bar 58 also passes through the vertical slots 6l, formed in the cross-piece 62. The feedscrew is provided with a wheel 63, in threaded engagement' therewith and within convenient reach of the machine operator, who sits upon the seat 64, to which the longitudinal spring 65 is secured, the lower end of said spring heilig fastened to the brace 6. The feed or hand wheel 63 is provided upon its under side with the collar 66, and in the groove between said collar and the hub of the wheel the projecting or overhanging portions 67 of the part 62 are closely tted, so that when the feed-wheel is rotated it will be held against vertical movement, whereby the feed-screw can be raised or lowered to correspondingly operate the colters 40, and consequently the ditcher 48, which, it will be observed, is disposed at a slight inclination. Said ditcher is connected with the beams 2 and 3 by the guide-links 68, pivoted to the respective parts and which serve to maintain said ditcherI in proper angular position as it is raised and lowered.

Near the. front side of the machine the plows 69 are located, they being disposed, preferably, at opposite sides of and slightly in front of the ditcher46 and serving to pitch the dirt loosened up by the colters onto the upper side of the ditcher, from which it can be forced to conveying or elevating mechanism to be disposed of as the machine operator The plows are connected with the extreme forward shaft or bar 40 by the braces 70 and also connected with the side beams 2 and 3 by rods 7l. The plows 69 are located below the side beams and are adapted to deliver the loosened earth onto the upper surface of the bottom of the ditcher 48, where the dirt can be supplied to a conveyer or elevator apparatus to be disposed of by the latter as the machine operator sees fit. In

connection with that plow which is located under the beam 3 I provide an angular wingpiece 72 and in line therewith and adapted to make a slanting depression at a point forward of the elevating apparatus, so that the IOO latter can move forward unobstructed. The wing-piece is connected with said plow by a strip 73, and also to the shaft 40 by the brace 75, and also to the beam 2 by the strap 76.

In connection with the ditcher I provide an elevator or conveyer, as 77, including in its construction the chains 7 8, carried around the front and rear sprocket-wheels 79 and 80, secured, respectively, to the opposite ends of the shafts 50 and 81, supported by the rods 45 and 49, depending from the front and rear rock-shafts 36 and 37. The blades 83, constituting a part of the elevator, are connected with the chains and are adapted to extend entirely across the ditcher and to travel along the same rearward for the purpose of pushing back the loosened dirt onto the transversely-movable elevator 84, which extends outward from the machine. The telescopic arms 85 are secured to the blades 83, near the opposite ends thereof, and the upper ends of said arms are pivoted to brackets 86, secured at predetermined intervals to the chains, and said telescopic arms are connected at points intermediate their ends by links 87 to a second series of brackets, also secured to the chains at points in advance of said firstmentioned brackets. Each of the arms 85 consists of an upper tubular section 89, in which the'lower solid section 90 is adapted to slide, a coiled spring 91 acting against said respective arms to hold the latter, and consequently the blade, in proper working position. By this construction the blades are yieldingly mounted, so that when an obstruction is encountered by one of them in the mass taken up it will yield sufficiently to pass by the same. A sprocket-wheel 92 is secured to the left-hand end of the shaft 50, and the sprocket-chain 93 travels over the same and also over the sprocket-wheel 94, secured to the shaft 95. This shaft 95 carries a second sprocket-wheel 96, over which the chain 97 runs, said chain also running over tlie sprocket-wheel 98 upon the sleeve 99, which is loose on the main shaft 10. This sprocket-Wheel 98 carries upon its face the clutch-section 100, which meshes with the clutch-half 101, which is keyed to and is slidable upon the driving-shaft 10. The clutch section or half 101 has a groove to receive the furcated end of the shifting lever 103, which is fulcrumed intermediate its ends with a bracket or riser 104, and the handle of said lever is located adjacent to the seat 64, so as "to be within easy reach of the operator. When the two sections of the clutch are in engagement, the sprocket-wheel 98 may be connected with the shaft 10 and will serve when the machine is driven forward to operate through the described connections the scraping conveyer hereinbefore alluded to.

The transverselymovable elevator 84 is adapted to convey the earth received from the ditcher to a point beyond the ditch, which point is under the control of the operator, and the ditcher slightly overlaps the elevator for the purpose of preventiugdirt from passngbetween the two parts. The elevator 84 is in two sections 105 and 106, respectively, preferably connected with each other, and the section 106 being adjustable relatively to the other for the purpose ofgoverning the place of discharge of the earth, and these two sections include aprons, as 107, of suitable material, provided upon their working faces with suitably-constructed buckets or floats 108, located at regular distances apart and serving to take a firm hold upon the mass resting upon said parts.

The stirrups 51, to which I hereinbefore referred, or the legs or branches thereof are inturned at their lower ends and are seated in openings formed in the sides 109 of the primary elevator casing, it being evident that the stirrups constitute a support for the elevator-section 105, and said sides have in suitable bearings therein the two shafts 110, to which the rollers upon which the apron 107 travels are secured, the right-hand shaft carrying a sprocket-wheel 112, over which the chain 113 passes, said chain also extending around the sprocket-wheel 114, secured to the short shaft 115, sustained by the cross-bars 5 and 6. The said shaft 115 is provided with a small miter-gear 116, meshing with the large miter-gear 117 on the transverse shaft 118, sustained by the side beams 2 and 3, and to said shaft 118 the pinion 119 is secured. This pinion meshes with the gear 120, secured to the left-hand end of the sleeve 99, and it will be apparent from this that when the two sections 100 and 101 of the clutch are in engagement the primary section 105 of the elevator 84 will be driven. The side pieces of the elevator-casing that sustains the elevator 106 are denoted by121, and they have offset portions 122 at each end,which support the shafts 123 of the elevator-section 106, and the rear shaft of the two bears in the forwardly-extending brackets 124, secured to the sides 109 of the rear casing, so that the elevator-section 106 is supported in part by the side pieces 109. By this described construct-ion it will be apparent that the elevator-section 106 can be raised or lowered relatively to its companion for the purpose of adjusting the point of discharge of the earth, and the side pieces 121 have openings near their middle to receive the inturned portions of the bail 125, to the opposite end of which the cable or chain 126 is secured. This cable or chain is wound upon the vertical shaft 127, stepped in a bearing in the beam 2 and supported at its upper end by the bracket 128. This vertical shaft is provided with a hand-wheel129, by which the shaft may be turned for the purpose of winding the cable or chain 126 thereon or for paying the same out, thereby to raise or lower the elevator-section 106. By this means also said elevator-section can be moved up out of the way of obstructions generally present in country roads While the machine is in transit. For the purpose of holding said elevator-section in an adjusted posi- IOO IIO

tion I provide pawl-and-ratchet mechanism coperative with the shaft 127, and to the lower end of said shaft I secure the ratchetwheel 130, the teeth of which are adapted to be engaged by the spring-pawl 131 on the beam-2 for the purpose of maintaining said shaft in a fixed or predetermined position.

The rollers for supporting the endless elevator-aprons are designated by 132, and cach of them is made in three pieces-a long piece` located between the sides of the elevator-casings and two shorter pieces located outside of said elevator-casings and carried upon the extended ends of the elevator-shafts-and the extreme shafts are sustained by bearing-loops 133 on the ends of the bolts 134, carried by the offsets 122, and by turning the nuts 134 the tension of the aprons can be regulated for the purpose of taking up slack or looseness therein. The sides of the elevator-casing are strengthened by the braces 135, secured, respectively, to the inside of said parts at proper intervals,and each of said side pieces is provided along its lower edge with the angular Iiange or guard 136, which tianges or guards overlap the lower runs of the elevatoraprons and serve to prevent the entrance of dirt, tc., into the space between the upper and lower sides of the elevator-aprons. The rear shaft 123 for the elevator 106 carries a sprocket wheel 137, around which the sprocket-chain 138 passes, said chain also cooperating with the sprocket-wheel 139, fixed to the adjacent shaft 110 of the primary elevator-section and constituting a convenient means for operating the secondary elevatorsection. lt will be understood that when the hand-wheel 63 is operated the elevator-sections 105 will be raised or lowered, and similar actions with respect to the ditcher48 and alined angularly-disposed colters will simultaneously follow.

-For the purpose of holding the chain belt 113 tautl provide the tension device 140, consisting of a U-shaped bar, the branches of which pass through eyes or openings in the lugs 141, extending inward from the beam 2, and the free ends of said branches are headed or shouldered, at their upper ends, as at 142, to limit the downward movement of the tension device. l The horizontal section of the latter carries a longitudinal antifriction roller 143, which is adapted to bear against said sprocket-chain 113 and to be held in engagement therewith by coiled springs 145, surrounding the branches or legs of said tension device and bearing against the stops 146 and also against the tixed lugs 144. By this means the proper tension of the chain 113 is maintained even though the level of the elevator-section 105 is varied by raising or lowering the same, so as not to affect the speed of the two elevator-aprons 107. A series of rolls or idlers, as 147, are supported between the sides of the two elevator-casings and are intended to sustain the two aprons 107 at points intermediate their lengths. For the purpose of preventing the front and rear shafts 81 and 50 from spreading apart I connect the same by longitudinal links 148.

The elevator-casing 106 carries near its outer end the hood or cap 149, of substantially parti-cylindrical shape, provided at its opposite sides with depending arms 150 to receive the pivot-bolts 151, extending outward from the offsets 122, and by reason of which the angular position of the hood which is located over the conveyer-section 106 may be varied, said hood being held in an adjusted position by the nuts`152, in threaded engagement with the bolts 151, and which are adapted to bite against the arms 150 to tightly hold the hood. The hood, when it is desired to throw the dirt at a distance, will be located with its upper surface substantially in parallelism with the elevator-section 106; but said hood can be tilted over so as to guide the dirt straight downward under the end of the elevator or slightly in advance of the same, according to the disposition of said hood.

The apparatus is propelled forward ordinarily by horse-power, and when moving forward the colters 40 will loosen the earth, which is pitched into the ditcher43 and forced rearward by the traveling yieldingly-mounted blades 83, owing to the transversely-movable eievator S4, which disposes of the same at a point beyond the opening or ditch formed.

It will be understood from the preceding description that the machine can be backed without operating any of the parts and that the elevating, ditching, and other' mechanisms can be simultaneously raised or lowered by means within easy reach of the operator and that the driving mechanism for actuating the elevating and dirt-pushing mechanisms before described can be thrown into and out of action by the operation of a clutch the handle of the shipping-lever of which is adjacent to the operators seat. G

lt is apparent that the hereinbeiore-described apparatus can be used for all kinds of ditching, excavating, and grading work, either on public roads or railroads, or it can be used in forming waterways for canals.

It is apparent that the elevator 106 can be made in different lengths to suit different purposes and in accordance with the distances from the apparatus at which the earth excavated is to be dumped.

Changes in the form, proportion, size, and the minor details of construction within the scope of the appended claims may be resorted to without departing from the spirit or sacrificing any of the advantages of this invention.

Having thus described the invention, what I claim is- 1. In a ditching-machine', the combination with the frame, of an inclined ditching-scoop, a conveyer working within the ditching-scoop, separate adjustable supports respectively for the front and rear end portions of the scoop,

IIO

a plurality of colters arranged in advance of the ditching-scoop,and operatively connected With the adjustable support for the front end portion thereof, side ploWs arranged to defleet the loosened dirt into the scoop, and a tranversely-arranged dirt-elevator associated With the scoop and having operative connection With the adjustable support for the rear end portion thereof, substantially as set forth.

2. In aditching-machine, the frame, a ditching-scoop arranged Within the frame, a conveyer working Within the ditching-scoop, and provided With blades having a yielding movement independent of their carriers, colters arranged in advance of the ditching-scoop, and means for deiecting the dirt loosened by the colters into said scoop, substantially as set forth.

3. In a ditching-machine, the frame, a pair of rock-shafts supported bythe frame, a ditchingscoop having an operative connection with both of said shafts, colters arranged in advance of the ditching-scoop, and side plows, said colters and side plows having an operative connection with one of the said rock shafts, substantially as set forth.

4. In a ditching-machine, the frame, a pair of rock-shafts supported by the frame, a ditch ing-scoop havingan operativeconnection with both rock-shafts, colters and side ploWs arranged in advance of the ditching-scoop, and having an operative connection with one of the rock-shafts, and a transversely-arranged dirt-elevator having an operative connection with the other of said rock-shafts, substantially as set forth.

5. In a ditching-machine, the combination with the fram e, of a ditching-scoop supported Within the frame, means for deflecting the earth into said scoop, and a conveyer Working Within the ditching-scoop, and comprising endless chains, a series of blades, telescopic arms connecting said blades with the chains, and springs for normally pressing outward the outer members of telescopic arms, substantially as set forth.

6. In a ditching-machine, the combination with the frame, of a ditching-'scoop arranged Within the frame, a transversely-arranged elevator, oppositely-arranged side plows cooperating with the ditching-scoop, and a Wingpiece connected with and extended beyond the advance end of one of the plows, substantially as set forth.

7. In a ditching-machine, the combination with a ditcher, of a series of colters located in advance of the ditcher, plows disposed at opposite sides of the ditcher and adapted to direct the dirt loosened up by said colters onto the same, chains, a series of blades adapted to travel along the ditcher, arms connected respectively With the chains and each consisting of telescopic sections, springs located in said arms, links connecting the latter and the chains, and a transversely-movable elevater located to receive the dirt from said ditcher, substantially as described.

8. In a ditching-machine, the combination with a ditcher, of two shafts supported for rocking movement, rock-arms on said rockshafts, connecting-rods between said rockarms and the ditcher, an elevator connected with the rear rock-arm, a series of colters located in advance ofthe ditcher and connected with said front rock-arms, a feed-screw, a feed-wheel, a coupling device, and armsconnected respectively with said coupling device and with said rock-shafts, substantially as described.

9. In a ditching-machine, the combination with a ditcher, of a series of colters located in advance of the ditcher, plows disposed at opposite sides of the ditcher and adapted to direct the dirt loosened up by said colters onto the same, a series of blades adapted to travel along the ditcher, means for operating said blades, an elevator the receiving end of which is in position to receive the dirt from said ditcher, and a Wing-piece connected with one of the ploWs and adapted to form an angular depression in advance of the elevator, sub` stantially as described.

l0. In aditching-machine, the frame, a pair of rock-shafts supported by the frame, aditching-scoophavingan operative connection with both rock-shafts, and a transversely-arranged dirt-elevator associated with the scoop and having an operative connection With one of said rock-shafts, substantially as set forth.

l1. In a ditching-machine, the combination with a ditcher, of a series of colters located in advance of the ditcher, means for directing the dirt loosened up by said colters onto said ditcher, an elevator in position to receive dirt from the ditcher and consisting of primary and secondary elevator-sections, each including an apron and each including casings, the casing of the primary elevator-section having bearings to receive one of the shafts of the secondary elevator-section, and means for raising and lowering the latter, substantially as described.

l2. In a ditching-machine, the frame, a ditcher arranged Within the frame, an adjustable support for the ditcher, means for de fleeting the loosened earth into the ditcher,

an elevator consisting ofinner and outer sections pivotally joined together, the inner of said sections being arranged horizontally and transversely within the frame, and suspended from said adjustable support for the ditcher, and a separate adjusting device for the outer section of the elevator, substantially as set forth.

. 13. In aditching-machine, the combination with a ditcher, ot' a series ot' colters located in advance ot' the ditcher, means for directing the dirt loosened up by the colters onto said ditcher, an elevator movable transversely to and adapted to receive material from the ditcher, and an adjustable hood carried at the discharge end of the elevator, substantially as described.

14. In a ditching-machin e, the combination TOO with a ditcher, of a seriesof colters located in advance ofthe ditcher, means for directing the dirt loosened up by said colters onto said ditcher, an elevator in position to receive dirt from the ditcher and having pivot-bolts at its discharge end a hood provided with arms adapted to receive said bolts, and nuts on the latter, substantially as described.

15. In aditching-machine, the combination with a ditcher, of a series of colters located in advance of the ditcher, means for directing the dirt loosened up by the colters onto said ditcher, an elevator movable transversely to and adapted to receive the material from the ditcher and including two sections one of which is adjustable relatively to the other, means for raisingand lowering said adjustable elevator-section, means for driving the primary elevator-section, independent means operated by the primary elevator-section for driving the secondary elevator-section, a series of blades adapted togtravel along the ditcher, driving chains or belts connected with said blades, means for simultaneously raising and lowering the elevator and the ditcher, a driving shaft or axle, and operating connections between said driving shaft and axle and the elevator and said chains, substantially as described.

16. In aditching-machine, the combination with a pair of rock-shafts each provided with rock-arms, a ditcher and an elevator suspended from said rock-arms, a series of colters, a

shaft for sustaining said colters, and supported by the front` rock-arms, a series of rods jointed to the colters, a fourth shaft to which said rods are connected, and means for operating said rock-shafts, substantially as described.

17. In aditchiug-machine, the combination with a pair of rock-shafts each provided with rock-arms, a ditcher and an elevator suspended from said rock-arms, a series of colters, a shaft for sustaining said colters and supported by the front rock-arms, a series of rods jointed to the colters, a fourth shaft to which said rods are connected, a support or bracket, a 4feed. screw carried by said support or bracket, a stop-collar, a feed-Wheel on the feed-screw to the hub of which said stop-collar is secured, an arm or arms fitting in the space between the stop-collar and the feed- Wheel, a coupling device on the feed-screw having a cross-bar, and arms connected respectively with said cross-bar and with the rock-shafts, substantially as described.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two Witnesses.

JOSEPH F. KAZMIR.

Witnesses:

E. WILooX, E. L. KIsTLER. 

